Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Quantum Corp /de/ (QMCO) since 2006 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Quantum Corp /de/. Table 2 shows the detailed insider transactions. This company's CIK number is 709283.
Total stock buying since 2006: $72,626,616.
Total stock sales since 2006: $97,434,459.
Total stock option exercises since 2006: $4,671,398.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 0 | $0 | 1,202,707 | $24,215,854 | 0 | $0 |
| 2024 | 0 | $0 | 291 | $1,294 | 0 | $0 |
| 2023 | 0 | $0 | 317,843 | $295,767 | 0 | $0 |
| 2022 | 0 | $0 | 310,473 | $698,382 | 0 | $0 |
| 2021 | 58,767 | $334,911 | 409,339 | $2,586,940 | 571,625 | $0 |
| 2020 | 3,446,148 | $7,942,137 | 1,312,598 | $1,899,373 | 442,999 | $0 |
| 2019 | 3,122,927 | $4,082,865 | 2,299,800 | $12,262,950 | 516,668 | $0 |
| 2018 | 548,971 | $812,790 | 961 | $3,997 | 0 | $0 |
| 2017 | 0 | $0 | 106,959 | $830,499 | 0 | $0 |
| 2016 | 0 | $0 | 50,752,008 | $43,466,784 | 0 | $0 |
| 2015 | 193,181 | $179,267 | 0 | $0 | 0 | $0 |
| 2014 | 100,000 | $160,800 | 266,332 | $352,010 | 0 | $0 |
| 2013 | 2,675,000 | $3,298,850 | 0 | $0 | 0 | $0 |
| 2012 | 30,000 | $72,900 | 0 | $0 | 0 | $0 |
| 2011 | 100,000 | $193,750 | 2,689,029 | $8,372,908 | 1,576,500 | $3,193,611 |
| 2010 | 132,500 | $162,648 | 593,808 | $1,684,191 | 658,471 | $803,742 |
| 2009 | 0 | $0 | 45,000 | $71,025 | 286,666 | $0 |
| 2008 | 130,000 | $181,796 | 0 | $0 | 551,668 | $0 |
| 2007 | 0 | $0 | 195,620 | $624,582 | 815,688 | $421,278 |
| 2006 | 18,049 | $55,203,902 | 18,939 | $67,903 | 179,268 | $252,767 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2025-04 | 0 | $0 | 966,304 | $9,902,538 | 0 | $0 |
| 2025-02 | 0 | $0 | 1,279 | $27,535 | 0 | $0 |
| 2025-01 | 0 | $0 | 235,124 | $14,285,781 | 0 | $0 |
| 2024-11 | 0 | $0 | 291 | $1,294 | 0 | $0 |
| 2023-11 | 0 | $0 | 5,543 | $2,588 | 0 | $0 |
| 2023-10 | 0 | $0 | 37,875 | $22,857 | 0 | $0 |
| 2023-09 | 0 | $0 | 42,662 | $26,450 | 0 | $0 |
| 2023-07 | 0 | $0 | 200,848 | $214,503 | 0 | $0 |
| 2023-05 | 0 | $0 | 30,915 | $29,369 | 0 | $0 |
| 2022-10 | 0 | $0 | 47,328 | $55,802 | 0 | $0 |
| 2022-09 | 0 | $0 | 79,488 | $124,795 | 0 | $0 |
| 2022-07 | 0 | $0 | 100,880 | $146,581 | 0 | $0 |
| 2022-05 | 0 | $0 | 20,952 | $39,452 | 0 | $0 |
| 2022-01 | 0 | $0 | 61,825 | $331,752 | 0 | $0 |
| 2021-11 | 0 | $0 | 7,542 | $44,988 | 0 | $0 |
| 2021-09 | 0 | $0 | 89,927 | $491,629 | 0 | $0 |
| 2021-08 | 58,767 | $334,911 | 0 | $0 | 0 | $0 |
| 2021-07 | 0 | $0 | 246,660 | $1,561,789 | 0 | $0 |
| 2021-06 | 0 | $0 | 46,785 | $338,500 | 0 | $0 |
| 2021-05 | 0 | $0 | 0 | $0 | 237,500 | $0 |
| 2021-04 | 0 | $0 | 18,425 | $150,034 | 0 | $0 |
| 2021-03 | 0 | $0 | 0 | $0 | 334,125 | $0 |
| 2020-12 | 20,000 | $123,704 | 91,372 | $531,046 | 0 | $0 |
| 2020-09 | 0 | $0 | 67,834 | $357,620 | 0 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-04-21 | Lerner James J (President & CEO) | Sale | 2,784 | 9.65 | 26,862 |
| 2025-04-21 | Moorehead Lewis W. (Chief Accounting Officer) | Sale | 179 | 9.65 | 1,727 |
| 2025-04-21 | Cabrera Brian E (SVP Chief Admin Ofcr & Secy) | Sale | 1,078 | 9.65 | 10,401 |
| 2025-04-15 | Pacific Investment Management Co Llc | Sale | 962,127 | 10.25 | 9,861,801 |
| 2025-04-02 | Nash Laura A. (Chief Accounting Officer) | Sale | 136 | 12.85 | 1,747 |
| 2025-02-03 | Gianella Kenneth P. (Chief Financial Officer) | Sale | 1,279 | 21.53 | 27,535 |
| 2025-01-16 | Spanjaard Henk Jan (Chief Revenue Officer) | Sale | 935 | 35.68 | 33,360 |
| 2025-01-16 | Gianella Kenneth P. (Chief Financial Officer) | Sale | 1,487 | 35.68 | 53,056 |
| 2025-01-16 | Lerner James J (President & CEO) | Sale | 2,511 | 35.68 | 89,592 |
| 2025-01-16 | Cabrera Brian E (SVP Chief Admin Ofcr & Secy) | Sale | 1,996 | 35.68 | 71,217 |
| 2025-01-03 | Pacific Investment Management Co Llc | Sale | 228,195 | 61.52 | 14,038,556 |
| 2024-11-08 | Cabrera Brian E (SVP Chief Admin Ofcr & Secy) | Sale | 291 | 4.45 | 1,294 |
| 2023-11-02 | Cabrera Brian E (SVP Chief Admin Ofcr & Secy) | Sale | 5,543 | .47 | 2,588 |
| 2023-10-10 | Lerner James J (President & CEO) | Sale | 36,045 | .60 | 21,771 |
| 2023-10-04 | Nash Laura A. (Chief Accounting Officer) | Sale | 888 | .59 | 527 |
| 2023-10-04 | Cabrera Brian E (SVP Chief Admin Ofcr & Secy) | Sale | 942 | .59 | 559 |
| 2023-09-05 | Hurley John (Chief Revenue Officer) | Sale | 42,662 | .62 | 26,450 |
| 2023-07-10 | Nash Laura A. (Chief Accounting Officer) | Sale | 3,600 | 1.07 | 3,844 |
| 2023-07-10 | Hurley John (Chief Revenue Officer) | Sale | 22,681 | 1.07 | 24,223 |
| 2023-07-10 | Lerner James J (President & CEO) | Sale | 158,893 | 1.07 | 169,697 |
| 2023-07-10 | Cabrera Brian E (SVP Chief Admin Ofcr & Secy) | Sale | 15,674 | 1.07 | 16,739 |
| 2023-05-02 | Cabrera Brian E (SVP Chief Admin Ofcr & Secy) | Sale | 30,915 | .95 | 29,369 |
| 2022-10-11 | Lerner James J (President & CEO) | Sale | 32,888 | 1.15 | 37,821 |
| 2022-10-11 | Moorehead Lewis W. (Chief Accounting Officer) | Sale | 2,370 | 1.15 | 2,725 |
| 2022-10-05 | Cabrera Brian E (SVP Chief Admin Ofcr & Secy) | Sale | 724 | 1.26 | 915 |
| 2022-10-05 | Dodson J Michael (Senior Vice President, CFO) | Sale | 11,346 | 1.26 | 14,341 |
| 2022-09-09 | Lerner James J (President & CEO) | Sale | 36,251 | 1.57 | 56,914 |
| 2022-09-09 | Moorehead Lewis W. (Chief Accounting Officer) | Sale | 8,416 | 1.57 | 13,213 |
| 2022-09-09 | Dodson J Michael (Senior Vice President, CFO) | Sale | 34,821 | 1.57 | 54,668 |
| 2022-07-21 | Moorehead Lewis W. (Chief Accounting Officer) | Sale | 5,911 | 1.87 | 11,035 |
| 2022-07-15 | Lerner James J (President & CEO) | Sale | 62,152 | 1.41 | 87,634 |
| 2022-07-08 | Dodson J Michael (Senior Vice President, CFO) | Sale | 32,817 | 1.46 | 47,912 |
| 2022-05-05 | Cabrera Brian E (Chief Legal & Ofcr; Corp Secy) | Sale | 20,952 | 1.88 | 39,452 |
| 2022-01-07 | Lerner James J (President & CEO) | Sale | 39,670 | 5.37 | 212,869 |
| 2022-01-07 | Moorehead Lewis W. (Chief Accounting Officer) | Sale | 3,539 | 5.37 | 18,990 |
| 2022-01-07 | Dodson J Michael (Senior Vice President, CFO) | Sale | 18,616 | 5.37 | 99,893 |
| 2021-11-02 | Moorehead Lewis W. (Chief Accounting Officer) | Sale | 7,542 | 5.96 | 44,988 |
| 2021-09-10 | Lerner James J (President & CEO) | Sale | 41,012 | 5.47 | 224,212 |
| 2021-09-10 | Moorehead Lewis W. (Chief Accounting Officer) | Sale | 9,521 | 5.47 | 52,051 |
| 2021-09-10 | Dodson J Michael (Senior Vice President, CFO) | Sale | 39,394 | 5.47 | 215,366 |
| 2021-08-12 | Rau Raghavendra | Buy | 8,767 | 5.70 | 49,971 |
| 2021-08-12 | Rothman Marc E | Buy | 20,000 | 5.70 | 114,000 |
| 2021-08-11 | Fichthorn John | Buy | 30,000 | 5.70 | 170,940 |
| 2021-07-21 | Lerner James J (President & CEO) | Sale | 132,125 | 6.12 | 808,737 |
| 2021-07-14 | Lerner James J (President & CEO) | Sale | 65,560 | 6.40 | 419,387 |
| 2021-07-07 | King Elizabeth (Chief Revenue Officer) | Sale | 7,216 | 6.81 | 49,162 |
| 2021-07-07 | Moorehead Lewis W. (Chief Accounting Officer) | Sale | 6,470 | 6.81 | 44,080 |
| 2021-07-07 | Dodson J Michael (Senior Vice President, CFO) | Sale | 35,289 | 6.81 | 240,423 |
| 2021-06-11 | King Elizabeth (Chief Revenue Officer) | Sale | 19,878 | 7.25 | 144,155 |
| 2021-06-11 | Dodson J Michael (Senior Vice President, CFO) | Sale | 18,830 | 7.25 | 136,555 |
| 2021-06-04 | Moorehead Lewis W. (Chief Accounting Officer) | Sale | 8,077 | 7.16 | 57,790 |
| 2021-05-11 | Lerner James J (Pres. & CEO, Chairman of Board) | Option Ex | 120,000 | .00 | 0 |
| 2021-05-11 | Dodson J Michael (Senior Vice President, CFO) | Option Ex | 117,500 | .00 | 0 |
| 2021-04-13 | King Elizabeth (Chief Revenue Officer) | Sale | 18,425 | 8.14 | 150,034 |
| 2021-03-11 | King Elizabeth (Chief Revenue Officer) | Option Ex | 6,875 | .00 | 0 |
| 2021-03-11 | Macpherson Regan J (Chief Legal&Compliance Officer) | Option Ex | 26,875 | .00 | 0 |
| 2021-03-11 | Lerner James J (Pres. & CEO, Chairman of Board) | Option Ex | 160,000 | .00 | 0 |
| 2021-03-11 | Moorehead Lewis W. (Chief Accounting Officer) | Option Ex | 22,875 | .00 | 0 |
| 2021-03-11 | Dodson J Michael (Senior Vice President, CFO) | Option Ex | 117,500 | .00 | 0 |
| 2020-12-30 | Lerner James J (Pres. & CEO, Chairman of Board) | Sale | 35,069 | 5.63 | 197,543 |
| 2020-12-30 | Dodson J Michael (Senior Vice President, CFO) | Sale | 33,999 | 5.63 | 191,516 |
| 2020-12-23 | Macpherson Regan J (Chief Legal&Compliance Officer) | Sale | 8,992 | 6.37 | 57,243 |
| 2020-12-23 | Moorehead Lewis W. (Chief Accounting Officer) | Sale | 13,312 | 6.37 | 84,744 |
| 2020-12-17 | Fichthorn John | Buy | 1,200 | 6.25 | 7,502 |
| 2020-12-16 | Fichthorn John | Buy | 18,800 | 6.18 | 116,202 |
| 2020-09-08 | Lerner James J (Pres. & CEO, Chairman of Board) | Sale | 67,834 | 5.27 | 357,620 |
| 2020-08-31 | Lerner James J (Pres. & CEO, Chairman of Board) | Sale | 38,808 | 5.58 | 216,471 |
| 2020-08-31 | Dodson J Michael (Senior Vice President, CFO) | Sale | 13,132 | 5.58 | 73,250 |
| 2020-08-24 | King Elizabeth (Chief Revenue Officer) | Sale | 34,564 | 5.38 | 186,023 |
| 2020-08-24 | Martella Donald E. Jr. (SVP, Engineering) | Sale | 1,931 | 5.38 | 10,392 |
| 2020-08-24 | Moorehead Lewis W. (Chief Accounting Officer) | Sale | 4,465 | 5.38 | 24,030 |
| 2020-08-24 | Dodson J Michael (Senior Vice President, CFO) | Sale | 12,266 | 5.38 | 66,015 |
| 2020-04-24 | B. Riley Fbr, Inc. | Buy | 9,036 | 3.80 | 34,336 |
| 2020-04-21 | B. Riley Fbr, Inc. | Buy | 21,371 | 3.81 | 81,508 |
| 2020-04-20 | B. Riley Fbr, Inc. | Buy | 40,200 | 3.90 | 156,780 |
| 2020-04-16 | B. Riley Fbr, Inc. | Buy | 425 | 3.65 | 1,551 |
| 2020-04-15 | B. Riley Fbr, Inc. | Buy | 21,842 | 3.59 | 78,412 |
| 2020-04-14 | B. Riley Fbr, Inc. | Buy | 96,783 | 3.79 | 366,517 |
| 2020-04-13 | B. Riley Fbr, Inc. | Buy | 95,450 | 3.59 | 342,570 |
| 2020-04-09 | B. Riley Fbr, Inc. | Buy | 39,365 | 3.62 | 142,422 |
| 2020-04-08 | B. Riley Fbr, Inc. | Buy | 12,275 | 3.23 | 39,635 |
| 2020-04-07 | B. Riley Fbr, Inc. | Buy | 80,363 | 2.94 | 236,588 |
| 2020-04-06 | B. Riley Fbr, Inc. | Buy | 100,000 | 2.70 | 270,400 |
| 2020-03-31 | B. Riley Fbr, Inc. | Buy | 18,500 | 2.85 | 52,688 |
| 2020-03-27 | B. Riley Fbr, Inc. | Buy | 35,400 | 2.75 | 97,350 |
| 2020-03-25 | B. Riley Fbr, Inc. | Buy | 20,640 | 2.85 | 58,824 |
| 2020-03-24 | B. Riley Fbr, Inc. | Buy | 47,574 | 2.56 | 122,027 |
| 2020-03-23 | B. Riley Fbr, Inc. | Buy | 75,000 | 1.95 | 146,250 |
| 2020-03-17 | King Elizabeth (Chief Revenue Officer) | Option Ex | 50,000 | .00 | 0 |
| 2020-03-17 | Macpherson Regan J (SVP, General Counsel) | Option Ex | 20,000 | .00 | 0 |
| 2020-03-17 | Martella Donald E. Jr. (SVP, Engineering) | Option Ex | 21,333 | .00 | 0 |
| 2020-03-17 | Lerner James J (President and CEO) | Option Ex | 230,000 | .00 | 0 |
| 2020-03-17 | B. Riley Fbr, Inc. | Buy | 100,000 | 2.37 | 237,200 |
| 2020-03-17 | Dodson J Michael (Senior Vice President, CFO) | Option Ex | 121,666 | .00 | 0 |
| 2020-03-16 | B. Riley Fbr, Inc. | Buy | 129,260 | 2.52 | 325,088 |
| 2020-03-13 | B. Riley Fbr, Inc. | Buy | 339,656 | 2.55 | 866,802 |
| 2020-03-11 | B. Riley Fbr, Inc. | Buy | 718,343 | 3.29 | 2,363,348 |
| 2020-03-10 | B. Riley Fbr, Inc. | Buy | 295,600 | 3.77 | 1,114,116 |
| 2020-03-09 | B. Riley Fbr, Inc. | Buy | 100,465 | 3.95 | 397,037 |
| 2020-02-26 | B. Riley Fbr, Inc. | Buy | 58,700 | 4.89 | 286,984 |
| 2020-02-25 | Martella Donald E. Jr. (SVP, ENGINEERING) | Sale | 5 | 5.30 | 26 |
| 2020-02-24 | Martella Donald E. Jr. (SVP, ENGINEERING) | Sale | 16,114 | 5.31 | 85,581 |
| 2020-02-21 | Martella Donald E. Jr. (SVP, ENGINEERING) | Sale | 62,207 | 5.61 | 348,919 |
| 2020-01-29 | B. Riley Fbr, Inc. | Buy | 969,900 | .00 | 0 |
| 2020-01-29 | B. Riley Fbr, Inc. | Sale | 969,900 | .00 | 0 |
| 2019-12-10 | Viex Capital Advisors, Llc | Sale | 360,000 | 5.78 | 2,079,000 |
| 2019-12-03 | B. Riley Fbr, Inc. | Buy | 969,900 | .00 | 0 |
| 2019-12-03 | Fichthorn John (Director) | Sale | 969,900 | 5.25 | 5,091,975 |
| 2019-12-03 | Dialectic Antithesis Partners, Lp | Sale | 969,900 | 5.25 | 5,091,975 |
| 2019-11-13 | King Elizabeth (CHIEF REVENUE OFFICER) | Option Ex | 50,000 | .00 | 0 |
| 2019-11-13 | Lerner James J (President, CEO) | Option Ex | 150,000 | .00 | 0 |
| 2019-11-13 | Moorehead Lewis W. (Chief Accounting Officer) | Option Ex | 16,667 | .00 | 0 |
| 2019-11-13 | Dodson J Michael (See Remarks) | Option Ex | 41,667 | .00 | 0 |
| 2019-10-02 | King Elizabeth (Chief Revenue Officer) | Option Ex | 50,000 | .00 | 0 |
| 2019-10-02 | Lerner James J (See Remarks) | Option Ex | 150,000 | .00 | 0 |
| 2019-10-02 | Moorehead Lewis W. (Chief Accounting Officer) | Option Ex | 16,667 | .00 | 0 |
| 2019-10-02 | Dodson J Michael (See Remarks) | Option Ex | 41,667 | .00 | 0 |
| 2019-08-29 | Moorehead Lewis W. (Chief Accounting Officer) | Buy | 8,331 | 5.93 | 49,402 |
| 2019-08-09 | Lerner James J (President, CEO) | Buy | 80,000 | 5.12 | 409,440 |
| 2019-08-09 | Dodson J Michael (SVP, CFO) | Buy | 100,000 | 5.08 | 507,900 |
| 2019-01-22 | Br Dialectic Capital Management, Llc | Buy | 81,082 | 1.80 | 146,190 |
| 2019-01-18 | Br Dialectic Capital Management, Llc | Buy | 49,311 | 1.77 | 87,428 |
| 2019-01-17 | Br Dialectic Capital Management, Llc | Buy | 887,052 | 1.55 | 1,374,930 |
| 2019-01-16 | Br Dialectic Capital Management, Llc | Buy | 272,901 | 1.58 | 432,548 |
| 2019-01-15 | Br Dialectic Capital Management, Llc | Buy | 174,000 | 1.62 | 281,880 |
| 2019-01-09 | Br Dialectic Capital Management, Llc | Buy | 500,000 | 1.58 | 792,500 |
| 2019-01-03 | Br Dialectic Capital Management, Llc | Buy | 350 | 1.85 | 647 |
| 2018-12-31 | Br Dialectic Capital Management, Llc | Buy | 32,078 | 1.87 | 59,985 |
| 2018-12-28 | Br Dialectic Capital Management, Llc | Buy | 125,000 | 1.91 | 238,250 |
| 2018-12-27 | Br Dialectic Capital Management, Llc | Buy | 391,893 | 1.31 | 514,555 |
| 2018-03-19 | Ahmad Fuad (SVP, Chief Financial Officer) | Sale | 961 | 4.16 | 3,997 |
| 2017-10-02 | Gacek Jon W (President and CEO) | Sale | 5,793 | 6.19 | 35,881 |
| 2017-09-01 | Gacek Jon W (President and CEO) | Sale | 12,254 | 5.50 | 67,397 |
| 2017-07-17 | Ahmad Fuad (SVP, Chief Financial Officer) | Sale | 17,000 | 8.46 | 143,820 |
| 2017-07-10 | Clark Robert S. (SVP, Product Operations) | Sale | 61,912 | 8.16 | 505,201 |
| 2017-07-03 | Hall Shawn D (Senior VP, GC & Secretary) | Sale | 10,000 | 7.82 | 78,200 |
| 2016-12-06 | Starboard Value R Gp Llc | Sale | 7,850,000 | .92 | 7,182,750 |
| 2016-12-06 | Feld Peter A | Sale | 7,850,000 | .92 | 7,182,750 |
| 2016-12-05 | Starboard Value R Gp Llc | Sale | 5,200,000 | .92 | 4,784,000 |
| 2016-12-05 | Feld Peter A | Sale | 5,200,000 | .92 | 4,784,000 |
| 2016-12-01 | Starboard Value R Gp Llc | Sale | 2,000,000 | .92 | 1,840,000 |
| 2016-12-01 | Feld Peter A | Sale | 2,000,000 | .92 | 1,840,000 |
| 2016-03-18 | Starboard Value R Gp Llc | Sale | 726,004 | .64 | 464,642 |
| 2016-03-18 | Feld Peter A | Sale | 726,004 | .64 | 464,642 |
| 2016-03-16 | Starboard Value R Gp Llc | Sale | 1,000,000 | .60 | 600,000 |
| 2016-03-16 | Feld Peter A | Sale | 1,000,000 | .60 | 600,000 |
| 2016-01-25 | Starboard Value R Gp Llc | Sale | 3,000,000 | .70 | 2,100,000 |
| 2016-01-25 | Feld Peter A | Sale | 3,000,000 | .70 | 2,100,000 |
| 2016-01-22 | Starboard Value R Gp Llc | Sale | 2,000,000 | .72 | 1,450,000 |
| 2016-01-22 | Feld Peter A | Sale | 2,000,000 | .72 | 1,450,000 |
Insider trading activities including stock purchases, stock sales, and option exercises of QMCO listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Quantum Corp /de/ (symbol QMCO, CIK number 709283) see the Securities and Exchange Commission (SEC) website.